LOL it's a menstrual cup (which is why it's in the menstrual cup section ). It's a cup you insert into your vagina, and it collects menstrual blood. And you just take it out, empty it, give it a clean and put it back in. You use it instead of tampons for lots of reasons. I'd like to try it mostly because I find tampons too drying, and also because I can't find a good reason NOT to use one, since we've swapped a lot of products over from disposable to reusable. Shel can find a good reason not to use them but blood isn't an issue for me, especially not menstrual blood, so I'm going to give them a go.